An automatic welding machine for door lock plate assembly

Abstract

The present invention discloses an automatic welding machine for door lock plate assembly, which relates to the technical field of door lock plate assembly, and comprises a base, wherein a support column is fixedly installed at the top side of the base, and baffles are fixedly installed on both sides of the outer surface of the base through the support column; a feeding assembly, which is used for stable transportation of the door lock plate, and a positioning plate is fixedly installed on one side of the outer surface of the feeding assembly; a clamping assembly, which is used for clamping and fixing the door lock plate during welding; a welding assembly, which is used for stable welding between two material plates; the positioning plate is fixedly installed at the top side of the base, and the positioning plate is fixedly installed between the opposite surfaces of the support column. In the automatic welding machine for door lock plate assembly, a staff member places the material plate on top of the feeding assembly, and at this time the staff member adjusts the hydraulic cylinder so that the output end of the hydraulic cylinder drives the transfer member and the extrusion plate group to move, so that the extrusion plate group fits and extrude with the surface of the material plate.

Description

Technical Field

[0001] The invention relates to the technical field of door lock plate assembly, in particular to an automatic butt welding machine for assembling door lock plates. Background Art

[0002] The door lock plate is usually installed on the inside of the door, mainly to facilitate the operation of the lock by indoor personnel. It usually has a knob or handle. In terms of material, the indoor door lock plate may be made of plastic, which is low-cost, light, and can be made into different shapes through various processes; it may also be made of metal, such as stainless steel, which is relatively strong and durable, and has a better texture; the outdoor door lock plate is located on the outside of the door, and its structure will be more complicated. And many outdoor door lock plates also have anti-theft functions. The lock plate of the anti-theft door lock is usually made thicker and has some designs to enhance anti-theft, such as a metal reinforcement ring around the lock core to prevent violent opening.

[0003] At present, when assembling and welding the existing door lock plate, it is necessary to weld and assemble the scattered material plates. Since the shape and thickness of the material plates are not uniform during welding, when fixing the irregular material plates, stirring during welding is easy to vibrate and loosen in the clamping mechanism, thereby affecting the welding effect. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic welding machine for assembling a door lock plate, comprising a base, a support column is fixedly installed at the top side of the base, and baffles are fixedly installed on both sides of the outer surface of the base through the support column;

[0005] A feeding assembly, which is used for stable conveying of door lock plates, and a positioning plate is fixedly mounted on one side of the outer surface of the feeding assembly;

[0006] A clamping assembly, which is used for clamping and fixing the door lock plate during welding;

[0007] A welding assembly, which is used for stable welding between two plates;

[0008] The positioning plate is fixedly installed at the top side of the base, and the positioning plate is fixedly installed between the opposite surfaces of the supporting column, and the feeding assembly is fixedly installed at the top middle of the base through the positioning plate, and the clamping assembly is slidably adapted to the outer surface of the feeding assembly, and the clamping assembly is provided with two, two groups of the clamping assemblies are erected above the feeding assembly, and the welding assembly is fixedly installed on the top of the baffle, and the welding assembly is erected above the feeding assembly through the baffle; the staff places the door lock plate material plate to be welded above the feeding assembly, and the staff adjusts the position height of the clamping assembly so that the clamping assembly contacts the material plate. At this time, the material plate to be assembled is clamped and fixed by the clamping assembly and the feeding assembly, and then the staff twists the feeding assembly so that the material plate above the feeding assembly slides on the surface of the feeding assembly along with the clamping assembly, so that the material plate moves to the bottom of the welding assembly, and the door lock plate is welded and assembled through the welding assembly.

[0009] The clamping assembly includes two hydraulic cylinders, each of which has a transfer member fixedly mounted on its top, and a pressing plate group fixedly mounted between opposite surfaces of the transfer member, the pressing plate group being pressed and adapted to the door lock plate. The staff places the sheet on top of the feeding assembly, and then adjusts the hydraulic cylinder so that the output end of the hydraulic cylinder drives the transfer member and the pressing plate group to move, so that the pressing plate group fits and presses against the surface of the sheet.

[0010] Preferably, the hydraulic cylinder is fixedly mounted on both sides of the outer surface of the feeding assembly, and the hydraulic cylinder is slidably adapted to the top side of the base through the feeding assembly.

[0011] Preferably, the hydraulic cylinder is fixedly mounted on both sides of the outer surface of the feeding assembly, and the hydraulic cylinder is slidably adapted to the top side of the base through the feeding assembly.

[0012] The transfer member includes a support plate, a slider is slidably installed inside the support plate, a connecting rod is fixedly installed at the bottom of the slider, the connecting rod is fixedly connected to the output end of the hydraulic cylinder, and a double-headed connecting plate is fixedly installed on the outer surface of the slider. The staff adjusts the hydraulic cylinder so that the output end of the hydraulic cylinder drives the connecting rod and the slider to slide and displace in the support plate, and the slider moves and drives the double-headed connecting plate and the through-rod to move accordingly. At this time, the extrusion plate group rotates on the surface of the positioning shaft as the through-rod moves, so that the extrusion plate group is clamped on the surface of the material plate to clamp the irregular material plate, so that the material plate can be fixed more stably during welding.

[0013] Preferably, a through rod is fixedly installed on the surface of the double-head connecting plate away from the slider, and the through rod penetrates the extrusion plate group and extends into the interior thereof. A positioning shaft is fixedly installed on the top of the support plate, and the positioning shaft is rotatably installed on both sides of the outer surface of the extrusion plate group.

[0014] Preferably, the extrusion plate group includes a clamping plate, a positioning hole is opened inside the clamping plate, two positioning holes are provided, the two clamping plates are symmetrically arranged with the clamping plate as the center, and the positioning holes are respectively connected and adapted to the through rod and the positioning shaft.

[0015] Preferably, a mounting groove is provided at the bottom of the extrusion plate group, a friction pad is fixedly mounted on the surface of the mounting groove, a curved pad is fixedly mounted inside the friction pad, and the curved pad is extruded and adapted to the mounting groove. Positioning holes are respectively sleeved on the surface of the through rod and the positioning shaft, and when the through rod moves with the double-headed connecting plate, the positioning hole sleeved on the outside of the through rod drives the clamping plate to rotate on the surface of the positioning shaft, so that an angle is formed between the clamping plate and the operating plate, and at this time, the material plate placed above the operating plate is clamped between the clamping plate and the operating plate, and the friction pad and the material plate are extruded and depressed, and the curved pad set in the friction pad is extruded to deform and extruded with the mounting groove, so that the friction pad and the material plate are more stably fitted, and the material plate is prevented from being loosened due to vibration during welding.

[0016] Preferably, the feeding assembly includes a side support plate, a rotating block is fixedly mounted on the outer surface of the side support plate, a screw is rotatably mounted on the surface of the rotating block, a sleeve block is sleeved on the outer surface of the screw, and an operation panel is slidably mounted between opposite surfaces of the sleeve block. The staff places the material sheet on the top of the feeding assembly and adjusts the position of the clamping assembly so that the clamping assembly clamps the material sheet, and then the staff rotates the rotating block to rotate the screw in the side support plate. At this time, the rotating screw drives the clamping assembly to slide and displace on the outside of the operation panel through the sleeve block to transport the material sheet to the bottom of the welding assembly, thereby avoiding the material sheet from being offset during the feeding and affecting the welding effect.

[0017] Preferably, the operating panel is fixedly mounted at the top middle of the base, and the sleeve block is fixedly mounted on the outer surface of the hydraulic cylinder.

[0018] Preferably, the welding assembly has two limit blocks, the bottoms of the two limit blocks are fixedly mounted with clamping blocks, the clamping blocks are fixedly mounted on the top of the baffle, a beam frame is fixedly mounted between the opposite surfaces of the clamping blocks, and a slip ring is slidably mounted between the opposite surfaces of the beam frame. The staff transports the sheet material to the bottom of the welding assembly, and the sheet material to be welded and assembled is clamped and fixed by the clamping assembly respectively, and the side seams of the welding position of the welding sheet material are made to correspond, so that the welding position and the welding head are on the same central axis, and when the sheet material is welded, the slip ring slides and moves on the surface of the beam frame to adjust the welding position in translation, so that the weld is smoother when the sheet material is welded and assembled.

[0019] Preferably, a mounting plate is fixedly mounted on the outer surface of the slip ring, a tilting block is fixedly mounted on the outer surface of the mounting plate, a shell plate is fixedly mounted on the bottom of the mounting plate, and a welding head is fixedly mounted on the bottom of the shell plate.

[0020] The present invention provides an automatic welding machine for assembling door lock plates. It has the following beneficial effects:

[0021] 1. The automatic butt welding machine for assembling the door lock plate is used by the staff to place the material plate on top of the feeding assembly. At this time, the staff adjusts the hydraulic cylinder so that the output end of the hydraulic cylinder drives the transfer member and the extrusion plate group to move, so that the extrusion plate group fits and extrude with the surface of the material plate.

[0022] 2. The automatic butt welding machine for assembling the door lock plate, through the staff adjusting the hydraulic cylinder, makes the output end of the hydraulic cylinder drive the connecting rod and the slider to slide and displace in the support plate, and when the slider moves, it drives the double-head connecting plate and the through rod to move accordingly. At this time, the extrusion plate group rotates on the surface of the positioning shaft with the displacement of the through rod, so that the extrusion plate group is clamped on the surface of the material plate to clamp the irregular material plate, so that the material plate can be fixed more stably during welding.

[0023] 3. The automatic butt welding machine for assembling the door lock plate is respectively sleeved on the surfaces of the through rod and the positioning shaft through the positioning holes. When the through rod moves with the double-head connecting plate, the positioning hole sleeved on the outside of the through rod drives the clamping plate to rotate on the surface of the positioning shaft, so that an angle is formed between the clamping plate and the operating plate. At this time, the material plate placed above the operating plate is clamped between the clamping plate and the operating plate, and the friction pad and the material plate are squeezed and depressed, and the arc pad arranged in the friction pad is squeezed to deform and squeeze the installation groove, so that the friction pad and the material plate fit more stably and avoid the material plate from loosening due to vibration during welding.

[0024] 4. The automatic butt welding machine for assembling the door lock plate has the staff placing the material plate above the feeding assembly and adjusting the position of the clamping assembly so that the clamping assembly clamps the material plate. The staff then rotates the rotating block to allow the screw rod to rotate in the side support plate. At this time, the rotating screw rod drives the clamping assembly to slide and move on the outside of the operating panel through the sleeve block to transport the material plate to the bottom of the welding assembly, thereby avoiding deviation of the material plate during guidance and affecting the welding effect.

[0025] 5. The automatic butt welding machine for assembling the door lock plate has the staff conveying the material plates to the bottom of the welding assembly. The material plates to be welded and assembled are clamped and fixed by the clamping assemblies respectively, and the side seams of the welding positions of the welding material plates are made to correspond to each other, so that the welding position and the welding head are on the same central axis. When welding the material plates, the slip ring slides and moves on the surface of the beam to adjust the welding position in a translational manner, so that the welds are smoother when the material plates are welded and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the external structure of an automatic welding machine for assembling door lock plates of the present invention;

[0027] Figure 2 It is a schematic diagram of the external structure from another angle of an automatic welding machine for assembling door lock plates of the present invention;

[0028] Figure 3 It is a schematic diagram of the position structure of the welding assembly and the feeding assembly of the present invention;

[0029] Figure 4 It is a schematic diagram of the position structure of the feeding component and the clamping component of the present invention;

[0030] Figure 5 It is a schematic diagram of the enlarged structure of the material clamping assembly of the present invention;

[0031] Figure 6 This is a schematic diagram of the structure of the transfer element of the present invention;

[0032] Figure 7 This is a schematic diagram of the structure of the extruded plate group of the present invention;

[0033] Figure 8 It is a schematic diagram of the structure of the welding assembly of the present invention.

[0034] In the figure: 1. baffle; 2. positioning plate; 3. welding assembly; 31. slip ring; 32. limit block; 33. beam frame; 34. tilting block; 35. shell plate; 36. welding head; 37. mounting plate; 38. clamping block; 4. clamping assembly; 41. extrusion plate group; 411. positioning hole; 412. clamping plate; 413. mounting groove; 414. bending arc pad; 415. friction pad; 42. transfer member; 421. double-head connecting plate; 422. support plate; 423. through rod; 424. slider; 425. connecting rod; 426. positioning shaft; 43. hydraulic cylinder; 5. support column; 6. feeding assembly; 61. side support plate; 62. screw rod; 63. rotating block; 64. operating panel; 65. sleeve block; 7. base. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0036] The first embodiment, as Figures 1 to 4As shown, the present invention provides a technical solution: an automatic welding machine for assembling a door lock plate, comprising a base 7, a support column 5 is fixedly installed on the top side of the base 7, and baffles 1 are fixedly installed on both sides of the outer surface of the base 7 through the support column 5;

[0037] A feeding assembly 6, which is used for stable conveying of the door lock plate, and a positioning plate 2 is fixedly mounted on one side of the outer surface of the feeding assembly 6;

[0038] A clamping assembly 4, which is used for clamping and fixing the door lock plate during welding;

[0039] A welding assembly 3, which is used for stable welding between two plates;

[0040] The positioning plate 2 is fixedly mounted on the top side of the base 7, and the positioning plate 2 is fixedly mounted between the opposite surfaces of the support column 5, and the feeding assembly 6 is fixedly mounted at the top middle of the base 7 through the positioning plate 2, the clamping assembly 4 is slidably adapted on the outer surface of the feeding assembly 6, and the clamping assembly 4 is provided with two, two groups of the clamping assemblies 4 are erected above the feeding assembly 6, the welding assembly 3 is fixedly mounted on the top of the baffle 1, and the welding assembly 3 is erected above the feeding assembly 6 through the baffle 1; the staff places the door lock plate material plate to be welded above the feeding assembly 6, the staff adjusts the position height of the clamping assembly 4 so that the clamping assembly 4 contacts the material plate, at this time the material plate to be assembled is clamped and fixed by the clamping assembly 4 and the feeding assembly 6, and then the staff twists the feeding assembly 6 so that the material plate above the feeding assembly 6 slides on the surface of the feeding assembly 6 with the clamping assembly 4, so that the material plate moves to the bottom of the welding assembly 3, and the door lock plate is welded and assembled through the welding assembly 3.

[0041] The feeding assembly 6 includes a side support plate 61, a rotating block 63 is fixedly mounted on the outer surface of the side support plate 61, a screw rod 62 is rotatably mounted on the surface of the rotating block 63, a sleeve block 65 is sleeved on the outer surface of the screw rod 62, and an operation plate 64 is slidably mounted between the opposite surfaces of the sleeve block 65. The staff places the material sheet on the top of the feeding assembly 6, and adjusts the position of the clamping assembly 4 so that the clamping assembly 4 clamps the material sheet, and then the staff rotates the rotating block 63 to rotate the screw rod 62 in the side support plate 61. At this time, the rotating screw rod 62 drives the clamping assembly 4 to slide and displace on the outside of the operation plate 64 through the sleeve block 65, so as to transport the material sheet to the bottom of the welding assembly 3, thereby avoiding the deviation of the material sheet during the feeding and affecting the welding effect.

[0042] The operating plate 64 is fixedly mounted at the top middle of the base 7 , and the sleeve block 65 is fixedly mounted on the outer surface of the hydraulic cylinder 43 .

[0043] The second embodiment is based on the first embodiment. Figures 3 to 6 As shown, the clamping assembly 4 includes a hydraulic cylinder 43, two of which are provided, and a transfer member 42 is fixedly installed on the top of the two hydraulic cylinders 43, and a pressing plate group 41 is fixedly installed between the opposite surfaces of the transfer member 42, and the pressing plate group 41 is pressed and adapted with the door lock plate. The staff puts the material plate on the top of the feeding assembly 6, and then adjusts the hydraulic cylinder 43 so that the output end of the hydraulic cylinder 43 drives the transfer member 42 and the pressing plate group 41 to move, so that the pressing plate group 41 is pressed against the surface of the material plate.

[0044] The hydraulic cylinder 43 is fixedly mounted on both sides of the outer surface of the feeding assembly 6 , and the hydraulic cylinder 43 is slidably adapted to the top side of the base 7 through the feeding assembly 6 .

[0045] The hydraulic cylinder 43 is fixedly mounted on both sides of the outer surface of the feeding assembly 6 , and the hydraulic cylinder 43 is slidably adapted to the top side of the base 7 through the feeding assembly 6 .

[0046] The transfer member 42 includes a support plate 422, a slider 424 is slidably mounted inside the support plate 422, a connecting rod 425 is fixedly mounted at the bottom of the slider 424, the connecting rod 425 is fixedly connected to the output end of the hydraulic cylinder 43, and a double-headed connecting plate 421 is fixedly mounted on the outer surface of the slider 424. The staff adjusts the hydraulic cylinder 43 so that the output end of the hydraulic cylinder 43 drives the connecting rod 425 and the slider 424 to slide and displace in the support plate 422, and the slider 424 drives the double-headed connecting plate 421 and the through-rod 423 to move accordingly when the slider 424 moves. At this time, the extrusion plate group 41 rotates on the surface of the positioning shaft 426 as the through-rod 423 moves, so that the extrusion plate group 41 is clamped on the surface of the material plate to clamp the irregular material plate, so that the material plate can be fixed more stably during welding.

[0047] A through rod 423 is fixedly installed on the surface of the double-headed connecting plate 421 away from the slider 424, and the through rod 423 penetrates the extrusion plate group 41 and extends into the interior thereof. A positioning shaft 426 is fixedly installed on the top of the support plate 422, and the positioning shaft 426 is rotatably installed on both sides of the outer surface of the extrusion plate group 41.

[0048] The extrusion plate group 41 includes a clamping plate 412, and a positioning hole 411 is opened inside the clamping plate 412. There are two positioning holes 411. The two clamping plates 412 are symmetrically arranged with the clamping plate 412 as the center. The positioning holes 411 are connected and adapted to the through rod 423 and the positioning shaft 426 respectively.

[0049] The bottom of the extrusion plate group 41 is provided with a mounting groove 413, and a friction pad 415 is fixedly mounted on the surface of the mounting groove 413. A bending pad 414 is fixedly mounted inside the friction pad 415, and the bending pad 414 is extruded and adapted to the mounting groove 413. The positioning holes 411 are respectively sleeved on the surfaces of the through rod 423 and the positioning shaft 426. When the through rod 423 moves with the double-headed connecting plate 421, the positioning hole 411 sleeved on the outside of the through rod 423 drives the clamping plate 412 to rotate on the surface of the positioning shaft 426, so that an angle is formed between the clamping plate 412 and the operating plate 64. At this time, the material plate placed above the operating plate 64 is clamped between the clamping plate 412 and the operating plate 64, and the friction pad 415 and the material plate are extruded and recessed, and the bending pad 414 set in the friction pad 415 is squeezed and deformed to be squeezed with the mounting groove 413, so as to facilitate

[0050] The third embodiment is based on the first and second embodiments. Figures 7 and 8 As shown, the welding assembly 3 has a limit block 32, and two limit blocks 32 are provided. The bottom of the two limit blocks 32 is fixedly installed with a clamp block 38, and the clamp block 38 is fixedly installed on the top of the baffle 1. A beam frame 33 is fixedly installed between the opposite surfaces of the clamp block 38, and a slip ring 31 is slidably installed between the opposite surfaces of the beam frame 33. The staff transports the material plate to the bottom of the welding assembly 3, and the material plates to be welded and assembled are clamped and fixed by the clamping assembly 4 respectively, and the side seams of the welding positions of the welding material plates are made to correspond, so that the welding position and the welding head 36 are on the same central axis. When welding the material plate, the slip ring 31 slides and moves on the surface of the beam frame 33 to adjust the welding position in translation, so that the weld is smoother when the material plate is welded and assembled.

[0051] A mounting plate 37 is fixedly mounted on the outer surface of the slip ring 31 , a tilting block 34 is fixedly mounted on the outer surface of the mounting plate 37 , a shell plate 35 is fixedly mounted on the bottom of the mounting plate 37 , and a welding head 36 is fixedly mounted on the bottom of the shell plate 35 .

[0052] When in use, the staff places the door lock plate material plate that needs to be welded above the feeding component 6, and the staff adjusts the position height of the clamping component 4 so that the clamping component 4 contacts the material plate. At this time, the material plate that needs to be assembled is clamped and fixed by the clamping component 4 and the feeding component 6, and then the staff twists the feeding component 6 so that the material plate above the feeding component 6 slides on the surface of the feeding component 6 along with the clamping component 4, so that the material plate moves to the bottom of the welding component 3, and the door lock plate is welded and assembled through the welding component 3.

[0053] The staff places the material sheet above the feeding assembly 6 and adjusts the position of the clamping assembly 4 so that the clamping assembly 4 clamps the material sheet. Then the staff rotates the rotating block 63 to allow the screw rod 62 to rotate in the side support plate 61. At this time, the rotating screw rod 62 drives the clamping assembly 4 to slide and move on the outside of the operating plate 64 through the sleeve block 65 to transport the material sheet to the bottom of the welding assembly 3, thereby avoiding the material sheet from being offset during guidance and affecting the welding effect.

[0054] The staff places the material sheet above the feeding assembly 6, and then adjusts the hydraulic cylinder 43 so that the output end of the hydraulic cylinder 43 drives the transfer member 42 and the extrusion plate group 41 to move, so that the extrusion plate group 41 fits and extrude the surface of the material sheet.

[0055] The staff adjusts the hydraulic cylinder 43 so that the output end of the hydraulic cylinder 43 drives the connecting rod 425 and the slider 424 to slide and displace in the support plate 422, and when the slider 424 displaces, it drives the double-headed connecting plate 421 and the through rod 423 to move accordingly. At this time, the extrusion plate group 41 rotates on the surface of the positioning shaft 426 as the through rod 423 displaces, so that the extrusion plate group 41 is clamped on the surface of the material plate to clamp the irregular material plate, so that the material plate can be fixed more stably during welding.

[0056] The positioning holes 411 are respectively sleeved on the surfaces of the through rod 423 and the positioning shaft 426. When the through rod 423 moves with the double-head connecting plate 421, the clamping plate 412 is driven to rotate on the surface of the positioning shaft 426 through the positioning hole 411 sleeved on the outside of the through rod 423, so that an angle is formed between the clamping plate 412 and the operating plate 64. At this time, the material plate placed above the operating plate 64 is clamped between the clamping plate 412 and the operating plate 64, and the friction pad 415 and the material plate are squeezed and recessed, and the arc pad 414 arranged in the friction pad 415 is squeezed and deformed and squeezed with the installation groove 413, so that the friction pad 415 and the material plate fit more stably, and the material plate is prevented from loosening due to vibration during welding.

[0057] The staff transports the material plates to the bottom of the welding assembly 3. The material plates that need to be welded and assembled are clamped and fixed by the clamping assembly 4 respectively, and the side seams of the welding positions of the welding material plates are made to correspond to each other, so that the welding position and the welding head 36 are on the same central axis. When the material plates are welded, the slip ring 31 slides and moves on the surface of the beam frame 33 to adjust the welding position in a translational manner, so that the welds are smoother when the material plates are welded and assembled.

[0058] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An automatic welding machine for door lock plate assembly, characterized in that: include: A base (7), wherein a support column (5) is fixedly mounted on the top side of the base (7), and baffles (1) are fixedly mounted on both sides of the outer surface of the base (7) via the support column (5); A feeding assembly (6), the feeding assembly (6) is used for stably conveying the door lock plate, and a positioning plate (2) is fixedly mounted on one side of the outer surface of the feeding assembly (6); A material clamping assembly (4), the material clamping assembly (4) is used for clamping and fixing the door lock plate during welding; A welding assembly (3), the welding assembly (3) is used for stable welding between two material plates; The positioning plate (2) is fixedly mounted on the top side of the base (7), and the positioning plate (2) is fixedly mounted between the opposite surfaces of the support column (5); the feeding assembly (6) is fixedly mounted on the top middle of the base (7) through the positioning plate (2); the clamping assembly (4) is slidably adapted on the outer surface of the feeding assembly (6), and two clamping assemblies (4) are provided, and the two groups of the clamping assemblies (4) are mounted above the feeding assembly (6); the welding assembly (3) is fixedly mounted on the top of the baffle (1), and the welding assembly (3) is mounted above the feeding assembly (6) through the baffle (1); The clamping assembly (4) comprises a hydraulic cylinder (43), two of which are provided, a transfer member (42) is fixedly mounted on the top of each of the two hydraulic cylinders (43), an extrusion plate group (41) is fixedly mounted between opposite surfaces of the transfer member (42), and the extrusion plate group (41) is extruded and adapted to the door lock plate.

2. The automatic welding machine for door lock plate assembly according to claim 1, characterized in that: The hydraulic cylinder (43) is fixedly mounted on both sides of the outer surface of the feeding assembly (6), and the hydraulic cylinder (43) is slidably adapted to the top side of the base (7) through the feeding assembly (6).

3. The automatic welding machine for door lock plate assembly according to claim 2, characterized in that: The transfer member (42) comprises a support plate (422), a slider (424) is slidably mounted inside the support plate (422), a connecting rod (425) is fixedly mounted at the bottom of the slider (424), the connecting rod (425) is fixedly connected to the output end of the hydraulic cylinder (43), and a double-head connecting plate (421) is fixedly mounted on the outer surface of the slider (424).

4. The automatic welding machine for door lock plate assembly according to claim 3, characterized in that: A through rod (423) is fixedly mounted on the surface of the double-headed connecting plate (421) on the side away from the slider (424), and the through rod (423) penetrates the extrusion plate group (41) and extends into the interior thereof; a positioning shaft (426) is fixedly mounted on the top of the support plate (422), and the positioning shaft (426) is rotatably mounted on both sides of the outer surface of the extrusion plate group (41).

5. The automatic welding machine for door lock plate assembly according to claim 1, characterized in that: The extrusion plate group (41) includes a clamping plate (412), a positioning hole (411) is opened inside the clamping plate (412), two positioning holes (411) are provided, and the two clamping plates (412) are symmetrically arranged with the clamping plate (412) as the center, and the positioning holes (411) are respectively connected and adapted to the through rod (423) and the positioning shaft (426).

6. The automatic welding machine for door lock plate assembly according to claim 5, characterized in that: A mounting groove (413) is provided at the bottom of the extrusion plate group (41), a friction pad (415) is fixedly installed on the surface of the mounting groove (413), a bending pad (414) is fixedly installed inside the friction pad (415), and the bending pad (414) is extruded and adapted to the mounting groove (413).

7. The automatic welding machine for door lock plate assembly according to claim 1, characterized in that: The feeding assembly (6) comprises a side support plate (61), a rotating block (63) is fixedly mounted on the outer surface of the side support plate (61), a screw rod (62) is rotatably mounted on the surface of the rotating block (63), a sleeve block (65) is sleeved on the outer surface of the screw rod (62), and an operating plate (64) is slidably mounted between opposite surfaces of the sleeve block (65).

8. The automatic welding machine for door lock plate assembly according to claim 7, characterized in that: The operating panel (64) is fixedly mounted at the middle of the top of the base (7), and the sleeve block (65) is fixedly mounted on the outer surface of the hydraulic cylinder (43).

9. The automatic welding machine for door lock plate assembly according to claim 1, characterized in that: The welding assembly (3) has a limit block (32), two of which are provided, a clamping block (38) is fixedly installed at the bottom of the two limit blocks (32), the clamping block (38) is fixedly installed on the top of the baffle (1), a beam frame (33) is fixedly installed between the opposite surfaces of the clamping block (38), and a slip ring (31) is slidably installed between the opposite surfaces of the beam frame (33).

10. The automatic welding machine for door lock plate assembly according to claim 9, characterized in that: A mounting plate (37) is fixedly mounted on the outer surface of the slip ring (31), a tilting block (34) is fixedly mounted on the outer surface of the mounting plate (37), a shell plate (35) is fixedly mounted on the bottom of the mounting plate (37), and a welding head (36) is fixedly mounted on the bottom of the shell plate (35).

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